The first season of Mighty Morphin' Power Rangers began in 1993. It was based on the Japanese series Super Sentai Zyuranger which is part of the Super Sentai franchise.
Saban imported the footage of the fight scenes and special effects from Zyuranger and write their own story with American actors. Mighty Morphin' Power Rangers lasted three seasons. After that a new iteration was created every year starting with Power Rangers Zeo--Which was basically season 4.
"'Nostalgic' does not equal 'good,' and 'standards' does not equal 'elitism.'" "Being offended is inevitable. Living offended is your choice."